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Re: Secondary coil form questions (fwd)
---------- Forwarded message ----------
Date: Fri, 21 Feb 1997 14:42:38 -0800
From: Bert Hickman <bert.hickman-at-aquila-dot-com>
To: Tesla List <mod1-at-poodle.pupman-dot-com>
Subject: Re: Secondary coil form questions (fwd)
Tesla List wrote:
>
> ---------- Forwarded message ----------
> Date: Wed, 19 Feb 1997 22:18:41 -0700
> From: Tesla List <tesla-at-pupman-dot-com>
> To: testla-at-pupman-dot-com
> Subject: Re: Secondary coil form questions
>
> Subscriber: rhull-at-richmond.infi-dot-net Wed Feb 19 22:05:53 1997
> Date: Wed, 19 Feb 1997 19:26:50 -0500 (EST)
> From: richard hull <rhull-at-richmond.infi-dot-net>
> To: tesla-at-pupman-dot-com
> Subject: Re: Secondary coil form questions
>
> snip
> >
> >BTW, I did wind the secondaries on my twin in opposite directions, but
> >it is not necessary. A classic horizontal half wave coil's secondary is
> >wound in one direction, as is the primary, and they fire from one end to
> >the other just fine, right? A half wave twin coil is nothing more than a
> >horizontal coil that has been split in half and stood up on end. I just
> >had to mention this, I didn't see it come up in any of the posts.
> >
> >Happy twin coiling,
> >
> >Ed Wingate
> >
> >Ed,
>
> Good thing you wound your coils in opposite directions or they would not
> have worked as well as they do!
>
> Think about this. In a simple half wave coil which shares a common primary,
> the coil halves are, indeed, wound in opposite directions relative to the
> single primary, even thought the coil is actually wound in one direction
> only when viewed from any end.
>
> With Ed's system there are two primaries which share a common tank circuit.
> assuming the primarys are wound in the same relative direction, the
> secondaries would have to be wound oppositely to get maximum leap between
> the pair! (phasing). The bottom line is one of the major coil windings,
> primary or secondary ought to be reversed to get true half wave action.
>
> I think I'm right on this one.
>
> Richard Hull, TCBOR
Richard & Ed,
Couldn't you just reverse the phasing on one of the primaries instead if
this was a problem?
-- Bert --